Sampling volume considerations for amplitude diffuser-based phase retrieval
Abstract
The effects of sampling volume in the performance of multiple-plane phase retrieval with amplitude diffuser is investigated for the first time. Transverse and axial behavior of the diffuse light and, consequently, the performance of the iterative algorithm vary depending on the sampling volume. Using intensity measurements sampled near the object plane yielded enhanced reconstructions. This is due to observed increased intensity variation near the object plane critical for a non-stagnating iterative reconstruction. The numerical results provide insights on the controlled randomization of light useful in theoretical and applied optics.
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